code: def _serialize_serializable(obj):
      """Serialize Feed Dict"""
      return {"type": type(obj), "data": obj.__dict__}
  
file_path: PGL/legacy/examples/distribute_deepwalk/mp_reader.py
imports: import multiprocessing
  import numpy
  import time
  import paddle.fluid
  import pyarrow
label_desc: Use image node_id 1 for calling a global function with example usage: _serialize_serializable(obj) and returns: dict